/* index.css - Barbie x Unicorn Light Premium Theme + Rainbow Beam Animation on H1 for Phi */
/* Pastel rainbow smoothness, consistent Barbie-pink-magenta-lavender-mint flow, dreamy glassmorphism */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-start:      #fff0f8;     /* soft blush pink */
    --bg-end:        #f0e8ff;     /* very light lavender */
    --surface:       #ffffff;
    --surface2:      rgba(255, 255, 255, 0.88);
    --text:          DarkSlateGray;          /* deep plum for contrast */
    --text-secondary:#6b4f7e;          /* muted lavender-gray */
    --accent:        DarkMagenta;          /* hot but pastel Barbie pink */
    --accent-dark:   #e0117f;          /* deeper magenta-pink */
    --accent-glow:   rgba(255, 93, 162, 0.35);
    --rainbow-pink:  #ff9fd6;
    --rainbow-peach: #febde2;
    --rainbow-yellow:#fff3ad;
    --rainbow-mint:  #bcffbc;
    --rainbow-cyan:  #a2edff;
    --rainbow-lav:   #c9b1ff;
    --border:        rgba(255, 93, 162, 0.20);
    --radius:        22px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    /* Smooth pastel rainbow – many stops for buttery transitions */
    background: linear-gradient(
        to bottom,
        var(--bg-start)           0%,
        #fff5fa               10%,
        #ffebf5               20%,
        #ffe0f0               28%,
        #ffd4eb               35%,     /* strong pink */
        #ffccde               42%,
        #fec7d9               48%,
        #febde2               54%,     /* peach-pink */
        #ffe0cc               60%,
        #fff3ad               66%,     /* soft sunny yellow */
        #f0ffcc               72%,
        #d9ffcc               78%,     /* mint green */
        #a2edff               84%,     /* dreamy cyan */
        #c9b1ff               94%,     /* soft lavender */
        var(--bg-end)        100%
    );
    color: var(--text-secondary);
    line-height: 1.65;
    font-size: 1.05rem;
    overflow-x: hidden;
    min-height: 100vh;
}

/* NAV */
nav.sticky {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 240, 248, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-links {
    display: flex;
    gap: 2.25rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: RosyBrown;
}


.nav-container {
    max-width: 1380px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2rem;
}

.logo {
    font-weight: 700;
    font-size: 1.9rem;
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #ff2d95, #c026d3);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    transition: all 0.3s;
}

.logo:hover {
    color: var(--accent);
}

/* HERO */
header {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: transparent;
}


.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    margin-left: -6px;
    background: linear-gradient(90deg,
        var(--rainbow-pink) 0%,   var(--rainbow-peach) 14%,
        #fff3ad             28%,  var(--rainbow-mint) 42%,
        var(--rainbow-cyan) 56%,  var(--rainbow-lav)  70%,
        #ff9fd6             84%,  var(--rainbow-pink) 100%);
    background-size: 520% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    
    animation: rainbowBeam 4.2s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.hero-content h1:hover {
    animation: rainbowBeam 3.6s cubic-bezier(0.23, 1, 0.32, 1) forwards;
    text-shadow: 0 0 80px HotPink;
}

section > div > p {
   padding-top: 25px;
}

@keyframes rainbowBeam {
    0%   { background-position: -90% 90%; }
    50%  { background-position: 0% -90%; }
}

.hero-subtitle {
    font-size: 1.15rem;
    max-width: 620px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* SECTIONS */
main {
    max-width: 1380px;
    margin: 0 auto;
    padding: 5rem clamp(1.5rem, 4vw, 5rem) 8rem;
    background: transparent;
}

section {
    margin-bottom: 6rem;
}

h2 {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 2.5rem;
    text-align: center;
    color: HotPink;
}

/* PRODUCT / PACKAGE GRID */
.package-grid, .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.product-card, .package-card {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    backdrop-filter: blur(12px);
}

.product-card:hover, .package-card:hover {
    transform: translateY(-16px);
    border-color: var(--accent);
    box-shadow: 0 30px 60px -15px rgba(0, 245, 196, 0.25);
}

.package-card h3, .product-card h3 {
    font-size: 1.65rem;
    margin-bottom: 1rem;
    color: HotPink;
}

.package-card p, .product-card p {
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    font-size: 1.05rem;
}

/* CARDS */

.package-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2rem 2.4rem;
}

.package-card {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1.6rem 1.9rem;
    backdrop-filter: blur(14px);
    transition: all 0.32s ease;
    box-shadow: 0 10px 28px -8px rgba(0,0,0,0.5);
}

.package-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 18px 40px -12px rgba(0,245,196,0.22);
}

.package-card h3 {
    font-size: 1.68rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: HotPink;
}

.package-card hr {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.08);
    margin: 0.8rem 0 1.1rem;
}

.package-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 1.03rem;
    line-height: 1.6;
}

.package-card li {
    margin: 0.28rem 0;
}

.package-card a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.22s ease, padding-left 0.22s ease;
}

.package-card a:hover {
    color: var(--accent);
    padding-left: 0.5rem;
}



/* CODE SNIPPET – now uses consistent accent family */
.code-snippet {
    background: #fff5fa;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    font-family: ui-monospace, 'Cascadia Mono', 'Segoe UI Mono', monospace;
    font-size: 0.95rem;
    line-height: 1.5;
    overflow-x: auto;
    color: var(--accent);
    margin: 2rem 0;
    white-space: pre;
}

.library-index {
    padding: 100px;
}

/* LIBRARY INDEX – rainbow text matches hero */
.library-index h1 {
    font-size: clamp(3.2rem, 7vw, 5.4rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.035em;
    text-align: center;
    margin: 0 0 4.2rem;
    background: linear-gradient(90deg,
        var(--rainbow-pink) 0%,   var(--rainbow-peach) 14%,
        #fff3ad             28%,  var(--rainbow-mint) 42%,
        var(--rainbow-cyan) 56%,  var(--rainbow-lav)  70%,
        #ff9fd6             84%,  var(--rainbow-pink) 100%);
    background-size: 520% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rainbowBeam 4.2s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.library-index h1:hover {
    text-shadow: 0 0 45px var(--accent-glow);
}



/* FOOTER */
footer {
    background: linear-gradient(to bottom, #c9b1ff 50%);
    border-top: 1px solid var(--border);
    padding: 2.5rem clamp(2.5rem, 4vw, 1rem) 3rem;
}

.footer-columns {
    max-width: 1380px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
}

.footer-columns h4 {
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.footer-columns a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-columns a:hover {
    color: var(--accent);
}

/* RESPONSIVE */
@media (max-width: 860px) {
    .package-cards-grid { gap: 1.8rem 2rem; }
    .package-card { padding: 1.5rem 1.7rem; }
}

@media (max-width: 768px) {
    .nav-container { padding: 1rem 1.5rem; }
    .nav-links { gap: 1.5rem; }
    main { padding: 3.5rem 1.5rem 6rem; }
    h2 { font-size: 2.15rem; }
}

@media (max-width: 620px) {
    .library-index { padding: 2.5rem 1rem 5rem; }
    .library-index h1 { margin-bottom: 3.2rem; font-size: clamp(2.6rem, 9vw, 4rem); }
}